$font_family : 'Microsoft yahei',Tahoma,Helvetica,"SimSun",sans-serif;

.clearfix:after {content: "";display: block;height: 0;clear: both;}
.clearfix {zoom: 1;}

.clearfix {
  *zoom: 1;
}

.fixed{
  left: 0;
  position: fixed;
  top:0;
  width:100%;
  z-index:100;
}

body{
  width: 100%;
  min-width:1100px;
}
input,button{
  outline: none;
  border:0;
}

body, ul, li, h1, h2, h3, h4, h5, h6, p, form, dl, dt, dd { margin: 0px; padding: 0px;  }
ul { list-style: none; }
img { border-style: none; }


